1 mol H₂O ........................... 18 g H₂O
x moli H₂O ........................ 36 g H₂O
36
⇒ x= ------------------ ⇒ x= 2 moli H₂O
18
1 mol ................................. 6,023 * 10 ²³ molecule
2 moli ............................... 6,023 * 10²³ *2 =12,046 * 10²³ molecule apa